Herzog headed the IDF Military Intelligence Branch from 1948-50,
and again in 1959-62. From 1950-1954 he served as defense
attache in Washington. He retired from the army in 1962 with the
rank of major-general, and engaged in business and law.

During the 1967 Six-Day War, Herzog was the leading military
commentator on Israeli radio, and afterwards became the first
military governor of the West Bank.